The extension set makes it easier to measure different opening widths. The accessories for the FM 100 for doors and gates support compliance with the European standard EN 12445/12453. The prescribed widths of 30 and 50 cm can be achieved with the help of the extension set.

- Maximum force: 2000 N
- Material: aluminium/V2A
- 25 cm / 9.8" piece with force introduction
- 80 mm / 3.1" (for 30 cm / 11.8" opening width)
- 20 cm piece / 7.8" (together with 25 cm / 9.8" piece for 50 cm / 19.6" opening width)